1280479980 is an even 10-digits composite number following 1280479979
and preceding 1280479981 . In scientific notation, it is written as 1.280479980 × 10^9.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 315194880 positive integers (up to 1280479980) that are relatively prime to 1280479980.
1280479980 has 24 divisors, whose sum is 2574094656
The reverse of 1280479980 is 0899740821
Previous prime number is 13
Is Prime? no
Number parity even
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion two hundred eighty million four hundred seventy-nine thousand nine hundred eighty
Scientific notation
1.280479980 × 10^9
Engineering notation
1.280479980 × 10^9
Prime Factorization
2 × 2 × 15 × 13 × 1641641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
640239990
Product of the distinct prime numbers
The prime factorization of 1280479980 is 2 × 2 × 15 × 13 × 1641641.
Since it has a total of 5 prime factors.
4 , 3 , 63 , 1 , 119 , 376 , 2233 , 7199 , 6921 , 72131 , 464564 , 502388 , 7716875 , 5551956 , 51274507 , 8092740 , 680081802 , 683475899 , 1715830848 , 6750364598
n×2
2560959960
n×3
3841439940
n×4
5121919920
n×5
6402399900
n÷2
640239990
n÷3
426826660
n÷3
320119995
n÷5
256095996
n2
1639628979180800400
n3
2.0995120824689E+27
n4
2.6883831893695E+36
n5
3.4424208525562E+45
2 √n
35783.794935697
3 √n
1085.9027449036
4 √n
189.16605122404
5 √n
66.29405107515
1 , 2 , 4 , 13 , 15 , 26 , 30 , 52 , 60 , 195 , 390 , 780 , 1641641 , 3283282 , 6566564 , 21341333 , 24624615 , 42682666 , 49249230 , 85365332 , 98498460 , 320119995 , 640239990 , 1280479980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1280479979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1280479980 can be divided by 24 positive divisors.
The sum of these divisors (counting 1280479980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100010100101001001011101100
3
Ternary
10022020110010022110
4
Quaternary
1030110221023230
5
Quinary
10110300324410
6
Senary
331021044020
8
Octal
11424511354
10
Decimal
1280479980
12
Duodecimal
2b89b6610
16
Hexadecimal
4c5292ec
20
Vigesimal
1002jjj0
36
Base36
l6d4oc
md5
3f82ab23515130687dc7b64949d350b9
sha1
f000414e304d6fdfebca1d07bea85fcd4a72ebd6
sha256
6ab21f52c17aacc5c62e7c364e7711e3a38244606a263dda1d0558c5664cb847
sha512
d906b326d3a14e81fa45566e87c5c07f31ea4c1dcd3425ad65e5489fb665f09da33f208665fb32d69b6e3837d1e1cad8b69e690ed067a19c7b4b52fd6574dc8f
ripemd-160
751370a41c8d9efb6a1c40abbc4657285ee5d8de
Diameter
2560959960
Circumference
8045492996.4736
Area
5.1510463556073E+18
Volume
8.7944156458762E+27
Surface area
2.0604185422429E+19
Circumference
8045492996.4736
Perimeter
5121919920
Area
1639628979180800400
Diagonal
1810872154.0632
Surface area
9.8377738750848E+18
Volume
2.0995120824689E+27
Space diagonal
2217856383.4348
Perimeter
3841439940
Area
7.0998017437586E+17
Altitude
1108928191.7174
Surface area
7.0998017437586E+17
Volume
2.474298717828E+26
Height
603624051.35441